On my drive into work yesterday, I got nailed with a rock kicked up by some truck and it cracked my car's windshield. I looked at it whe I got to work, and the crack was about an inch long. Since then, it's grown to be about 3-4 inches. Why do cracks just keep expanding? Is there any way to stop the damn thing, or should I just write it off and go get a new windshield?
